Copper Peptides (GHK-Cu)
INCI: Copper Tripeptide-1
Tripeptide-copper complex that stimulates synthesis of collagen, elastin, and glycosaminoglycans. Accelerates wound healing and exerts anti-inflammatory effects.
Anti-agingSoothing
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Wound and post-surgical studies show accelerated regeneration. Anti-aging RCTs are limited by small samples and industry sponsorship. In vitro effects are well documented, but more large clinical trials are needed.
- Pickart L et al. Int J Mol Sci. 2012;13(5):6229-6240.
- Leyden JJ et al. J Cosmet Dermatol. 2004;3(1):26-31.
Working concentrations
0.1–1% (as peptide)
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
UnknownSkin types
Suitable for
NormalDrySensitiveCombination
Combinations with other ingredients
Frequently asked questions
Is Copper Peptides (GHK-Cu) safe during pregnancy?
Safety data for Copper Peptides (GHK-Cu) during pregnancy is insufficient. Best avoided when in doubt.
What skin types is Copper Peptides (GHK-Cu) for?
Copper Peptides (GHK-Cu) suits: normal, dry, sensitive, combination.